Home / 5,726.46-8,591.28-1,831.17

Finding the Fourth Proportional to 5,726.46, 8,591.28 and 1,831.17

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Solution

The fourth proportional to 5,726.46, 8,591.28 and 1,831.17 is: 2,747.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,726.46 : 8,591.28 = 1,831.17 : x
  2. Step 2: Convert to fraction form
    5,726.46/8,591.28 = 1,831.17/x
  3. Step 3: Cross multiply
    5,726.46x = 8,591.28 × 1,831.17
  4. Step 4: Simplify right side
    5,726.46x = 15,732,094.20
  5. Step 5: Solve for x
    x = 15,732,094.20/5,726.46
  6. Step 6: Final answer
    x = 2,747.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.